sole leather
 鞋底皮


 Sole n.
 1. The bottom of the foot; hence, also, rarely, the foot itself.
    The dove found no rest for the sole of her foot.   --Gen. viii. 9.
 Hast wandered through the world now long a day,
 Yet ceasest not thy weary soles to lead.   --Spenser.
 2. The bottom of a shoe or boot, or the piece of leather which constitutes the bottom.
    The =\“caliga” was a military shoe, with a very thick sole, tied above the instep.\=   --Arbuthnot.
 3. The bottom or lower part of anything, or that on which anything rests in standing. Specifially: (a) Agric. The bottom of the body of a plow; -- called also slade; also, the bottom of a furrow. (b) Far. The horny substance under a horse's foot, which protects the more tender parts. (c) Fort. The bottom of an embrasure. (d) Naut. A piece of timber attached to the lower part of the rudder, to make it even with the false keel. --Totten. (e) Mining The seat or bottom of a mine; -- applied to horizontal veins or lodes.
 Sole leather, thick, strong, used for making the soles of boots and shoes, and for other purposes.